User's Manual

ManualsBrandsShure ManualsPro AudioMX890 Microflex Wireless Gooseneck Base Transmitter with No Mic

27EN16692 (Rev. 3)

Printed in U.S.A.

MX690 MX890

MX890 Wireless Desktop Base

The Shure MX890 desktop base for

MX405, MX410 and MX415 gooseneck

microphones offers cable-free installation

for corporate boardrooms or other ap-

plications requiring flexible microphone

configurations and MX415 miniature

gooseneck microphones are suitable for

boardrooms and other sites where aes-

thetics are important. The MX890 oper-

ates within the 518–937 MHz band and

is compatible with Shure SLX wireless

systems.

MX690

MX890

>25 cm

>150 cm

Receiver

Make sure the receiver is within sight of the transmitter. Do not place

receiver behind a metal barrier or any reflective surface.

Refer to the SLX Wireless System User Guide for more infor-

mation, or visit www.shure.com.

30 m (100 ft)

Power On/Off

1. With the battery door open, press and hold the ON/OFF button

for approximately 2 seconds. Release the button when the LCD

screen illuminates.

2. To turn off the transmitter, press and hold the ON/OFF button

for approximately 2 seconds. Release the button when the LCD

screen is blank. The LEDs on the outside of the microphone will

also go dark.

Note: To power on the transmitter without opening the battery

compartment, press and hold the plastic ON/OFF button on the

battery door for approximately 2 seconds, then release it.

MX890 Connecting Gooseneck

1. Align the pin on the microphone flange with the slot on the desktop

base.

2. Insert the gooseneck into the desktop base and lock it in place by

rotating the gooseneck sleeve clockwise.

Low-Cut Filter

The low-cut filter attenuates frequencies below 150 Hz by 6 dB per

octave.

Filter disabled (as supplied)

Low-cut filter

MX690 Wireless Boundary Microphone

The Shure MX690 microphone offers

cable-free installation for corporate board-

rooms or other applications requiring flex-

ible configurations. The MX690 operates

within the 518–937 MHz band and is com-

patible with Shure SLX wireless systems.

Features

• Sleek, low profile design

• Frequency agile, microprocessor controlled transmitter

• IR link to SLX receiver for automatic frequency synchronization

• Programmable frequency Group/Channel display

• Programmable mute function

• Operates on two AA batteries

• Compatible with all Shure SLX Wireless systems

• MX890 Supports Shure MX405, MX410 and MX415 Mini Gooseneck

Microphones

• Commshield

technology for protection from RF interference

Placement

MX890 Microphone Placement

Place the MX890 no more than 25 cm (1 ft.) from the edge of the table.

Aim the microphone toward the talker and away from loudspeakers and

noise sources. Use one microphone for each talker. Pickup angle with a

cardioid cartridge is 130° at –3 dB. Pickup angle with a supercardioid car-

tridge is 115° at –3 dB.

Note: To minimize RF interference, maintain a distance of at least

0.3 m (1 ft.) between transmitters. In case of interference, increase

the distance between transmitters or change channels.

MX690 Microphone Placement

Place the MX690 within 1.5 m (5 ft.) of a talker. Aim the microphone to-

ward the talkers and away from loudspeakers and noise sources. Use one

microphone for every two talkers. Pickup angle with a cardioid cartridge is

130° at –3 dB.

Note: To minimize RF interference, maintain a distance of at least

0.3 m (1 ft.)

Summary of content (4 pages)

PAGE 1
MX690 MX890 MX890 >25 cm MX890 Wireless Desktop Base The Shure MX890 desktop base for MX405, MX410 and MX415 gooseneck microphones offers cable-free installation for corporate boardrooms or other applications requiring flexible microphone configurations and MX415 miniature gooseneck microphones are suitable for boardrooms and other sites where aesthetics are important. The MX890 operates within the 518–937 MHz band and is compatible with Shure SLX wireless systems.
PAGE 2
Battery To change between toggle and momentary: Hold the PUSH button and press the SELECT button. (Test the microphone to confirm the change.) Installation 1. Open the battery compartment as shown. Hold 2. Insert two 1.5 V "AA" batteries. Make sure the +/– terminals are properly oriented. Note: Alkaline batteries last up to 8 hours. Rechargeable, carbonzinc, and zinc-chloride batteries provide less operating time. To change between push-to-talk and push-to-mute: 1.
PAGE 3
Locking Settings Press ON/OFF and SELECT simultaneously to lock or unlock transmitter settings. When locked, the current settings cannot be manually changed. Note: Locking the transmitter settings does not disable IR frequency synchronization or the High Pass/Low Cut filter. Troubleshooting If you encounter difficulty with the SLX Wireless System • Make sure both the transmitter and the receiver are turned on. • Replace the battery if the battery LED is red.
PAGE 4
Specifications Frequency Range and Transmitter Output Level Working Range Line of Sight 30 m (100 ft) Band Range Output Power G4 470 to 494 MHz 30 mW G5 494 to 518 MHz 30 mW H5 518 to 542 MHz 30 mW J3 572 to 596 MHz 30 mW Power Requirements 2 LR6 AA batteries, 1.